Boston Bruins forward Ryan Spooner will be out 4-6 weeks after sustaining a groin injury against the Vegas Golden Knights on Sunday.

Spooner sustained a right groin adductor tear in the 3-1 loss. He missed six games in the prior two seasons.

The 25-year-old center has one assist in five games this season. He ranks second among Bruins forwards in power-play ice time per game (3:42), behind David Pastrnak (3:55).